Biodemography and Evolution Education and Health Martin, M.A., Glassek, W.D., Gaulin, S.J.C., Evans, R.W., Woo, J.G., Geraghty, S.R., Davidson, B.S., Morrow, A.L., Kaplan, H.S., Gurven, M.D. Maternal and Child Nutrition 8(3):404-418. 2012. 2012 gurven11.pdf Melanie Martin Michael Gurven